Apache Groovy
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Groovy
Groovy is an agile programming language for the Java platform combining lots of great features from languages like Python, Ruby and Smalltalk and making them available to the Java developers using a Java-like syntax which compiles dynamically to bytecode and works seamlessly with Java code and libraries.
Groovy is designed to help you get things done on the Java platform in a quicker, more concise and fun way - bringing the power of Python and Ruby inside the Java platform.
Groovy can be used as an alternative compiler to javac to generate standard Java bytecode to be used by any Java project or it can be used dynamically as a scripting language.